Coefficients in the expansion of 1/([r]-[2r]x+[3r]x^2-...); [ ]=floor, r=11/7.

Terms

a(0) =1a(1) =3a(2) =5a(3) =9a(4) =18a(5) =36a(6) =71a(7) =138a(8) =268a(9) =522a(10) =1017a(11) =1980a(12) =3853a(13) =7498a(14) =14594a(15) =28406a(16) =55287a(17) =107604a(18) =209429a(19) =407614a(20) =793344a(21) =1544090a(22) =3005269a(23) =5849172a(24) =11384281a(25) =22157298a(26) =43124882a(27) =83934214a(28) =163361667a(29) =317951804